• Pei-Wei Hsu, Yen-Wen Shen, Syamsiah Syam, Wen-Miin Liang, Trong-Neng Wu, Jui-Ting Hsu, and Lih-Jyh Fuh.
• School of Dentistry, China Medical University, Taichung, Taiwan, ROC.
• J Chin Med Assoc. 2022 Oct 1; 85 (10): 100610101006-1010.

BackgroundThis study aimed to investigate the risk of stroke incidence in patients with periodontitis.MethodsData on patients diagnosed with periodontitis were collected from Taiwan's National Health Insurance Research Database and were matched (1:1) with patients without periodontitis between 2001 and 2010. A multivariable Cox survival model was used to predict stroke between patients with and without periodontitis, and the possibility of confounders. Hazard ratios (HRs) with 95% confidence intervals (CIs) were used to explore the risk of stroke in the case and control groups. Diseases found during the follow-up period were analyzed to determine possible effects on the study. A total of 282 560 periodontitis and nonperiodontitis patients were enrolled, with most subjects aged 40 to 59 years.ResultsThe overall cumulative incidence of stroke was 2.14 times higher in periodontitis than in nonperiodontitis, and the highest HR was in the more than 80 years age group (HR = 9.30; 95% CI, 7.06-12.26). The multivariate Cox model indicated that the adjusted HR (aHR) between the case and control was 2.03 (95% CI, 1.99-2.08), and a higher aHR was associated with hypertension. Atherosclerosis, atrial fibrillation, obesity, kidney disease, anxiety, and gout discovered during follow-up also showed a potential risk of stroke in patients with periodontitis.ConclusionTherefore, this study suggests a high risk of stroke in patients with periodontitis.Copyright © 2022, the Chinese Medical Association.

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